If you just want to learn PCB design, do not learn on OrCAD 10.5. The industry has moved to version 17.4 and 22.1. Learning a 20-year-old UI will hurt your career, not help it.
OrCAD is proprietary software owned by Cadence Design Systems. Downloading a cracked version is a violation of copyright law. While Cadence is unlikely to pursue an individual hobbyist downloading a 20-year-old version orcad 10.5 download
When Cadence released OrCAD 16.0 shortly after, the UI changed drastically. Many old-school engineers hated the "Cadence-ification" of the menus. They stuck with 10.5 like a mechanic sticking with a 1998 Toyota Corolla—ugly, but reliable. If you just want to learn PCB design,
Running the software inside a VM (like VirtualBox) pre-loaded with a legacy OS. OrCAD is proprietary software owned by Cadence Design
Searching for an "OrCAD 10.5 download" in 2026 is a fool's errand. The software is obsolete, the cracks are dangerous, and the workflow is archaic.